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// Copyright (c) 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/renderer/skia_benchmarking_extension.h"
#include "base/values.h"
#include "skia/ext/benchmarking_canvas.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/skia/include/core/SkCanvas.h"
#include "third_party/skia/include/core/SkGraphics.h"
namespace {
testing::AssertionResult HasArg(const base::ListValue* args,
const char name[]) {
const base::DictionaryValue* arg;
for (size_t i = 0; i < args->GetSize(); ++i) {
if (!args->GetDictionary(i, &arg) || arg->size() != 1)
return testing::AssertionFailure() << " malformed argument for index "
<< i;
if (arg->HasKey(name))
return testing::AssertionSuccess() << " argument '" << name
<< "' found at index " << i;
}
return testing::AssertionFailure() << "argument not found: '" << name << "'";
}
}
namespace content {
TEST(SkiaBenchmarkingExtensionTest, BenchmarkingCanvas) {
SkGraphics::Init();
// Prepare canvas and resources.
SkCanvas canvas(100, 100);
skia::BenchmarkingCanvas benchmarking_canvas(&canvas);
SkPaint red_paint;
red_paint.setColor(SkColorSetARGB(255, 255, 0, 0));
SkRect fullRect = SkRect::MakeWH(SkIntToScalar(100), SkIntToScalar(100));
SkRect fillRect = SkRect::MakeXYWH(SkIntToScalar(25), SkIntToScalar(25),
SkIntToScalar(50), SkIntToScalar(50));
SkMatrix trans;
trans.setTranslate(SkIntToScalar(10), SkIntToScalar(10));
// Draw a trivial scene.
benchmarking_canvas.save();
benchmarking_canvas.clipRect(fullRect, SkRegion::kIntersect_Op, false);
benchmarking_canvas.setMatrix(trans);
benchmarking_canvas.drawRect(fillRect, red_paint);
benchmarking_canvas.restore();
// Verify the recorded commands.
const base::ListValue& ops = benchmarking_canvas.Commands();
ASSERT_EQ(ops.GetSize(), static_cast<size_t>(5));
size_t index = 0;
const base::DictionaryValue* op;
const base::ListValue* op_args;
std::string op_name;
ASSERT_TRUE(ops.GetDictionary(index++, &op));
EXPECT_TRUE(op->GetString("cmd_string", &op_name));
EXPECT_EQ(op_name, "Save");
ASSERT_TRUE(op->GetList("info", &op_args));
EXPECT_EQ(op_args->GetSize(), static_cast<size_t>(0));
ASSERT_TRUE(ops.GetDictionary(index++, &op));
EXPECT_TRUE(op->GetString("cmd_string", &op_name));
EXPECT_EQ(op_name, "ClipRect");
ASSERT_TRUE(op->GetList("info", &op_args));
EXPECT_EQ(op_args->GetSize(), static_cast<size_t>(3));
EXPECT_TRUE(HasArg(op_args, "rect"));
EXPECT_TRUE(HasArg(op_args, "op"));
EXPECT_TRUE(HasArg(op_args, "anti-alias"));
ASSERT_TRUE(ops.GetDictionary(index++, &op));
EXPECT_TRUE(op->GetString("cmd_string", &op_name));
EXPECT_EQ(op_name, "SetMatrix");
ASSERT_TRUE(op->GetList("info", &op_args));
EXPECT_EQ(op_args->GetSize(), static_cast<size_t>(1));
EXPECT_TRUE(HasArg(op_args, "matrix"));
ASSERT_TRUE(ops.GetDictionary(index++, &op));
EXPECT_TRUE(op->GetString("cmd_string", &op_name));
EXPECT_EQ(op_name, "DrawRect");
ASSERT_TRUE(op->GetList("info", &op_args));
EXPECT_EQ(op_args->GetSize(), static_cast<size_t>(2));
EXPECT_TRUE(HasArg(op_args, "rect"));
EXPECT_TRUE(HasArg(op_args, "paint"));
ASSERT_TRUE(ops.GetDictionary(index++, &op));
EXPECT_TRUE(op->GetString("cmd_string", &op_name));
EXPECT_EQ(op_name, "Restore");
ASSERT_TRUE(op->GetList("info", &op_args));
EXPECT_EQ(op_args->GetSize(), static_cast<size_t>(0));
}
} // namespace content
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